HfSiN3

ceramic
· HfSiN3

HfSiN3 is a hafnium silicon nitride ceramic compound that combines hafnium and silicon in a nitride matrix, belonging to the family of refractory ceramics and hard coatings. This material is primarily investigated for high-temperature structural applications and protective coatings where exceptional thermal stability, hardness, and oxidation resistance are critical; it represents an emerging alternative to traditional TiN and CrN coatings, particularly where higher temperature performance or enhanced wear resistance justifies the material cost. HfSiN3 remains largely in the research and development stage, with applications focused on advanced tool coatings, thermal barrier systems, and specialized aerospace or power-generation components operating in extreme environments.

tool coatings and cutting insertshigh-temperature thermal barrierswear-resistant protective coatingsaerospace engine componentsrefractory ceramics research

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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μB——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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eV/atom——
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.